What is the Greatest Common Factor of 26421 and 26439?

Greatest common factor (GCF) of 26421 and 26439 is 3.

GCF(26421,26439) = 3

We will now calculate the prime factors of 26421 and 26439, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 26421 and 26439.

How to find the GCF of 26421 and 26439?

We will first find the prime factorization of 26421 and 26439. After we will calculate the factors of 26421 and 26439 and find the biggest common factor number .

Step-1: Prime Factorization of 26421

Prime factors of 26421 are 3, 8807. Prime factorization of 26421 in exponential form is:

26421 = 3¹ × 8807¹

Step-2: Prime Factorization of 26439

Prime factors of 26439 are 3, 7, 1259. Prime factorization of 26439 in exponential form is:

26439 = 3¹ × 7¹ × 1259¹

Step-3: Factors of 26421

List of positive integer factors of 26421 that divides 26421 without a remainder.

1, 3, 8807

Step-4: Factors of 26439

List of positive integer factors of 26439 that divides 26421 without a remainder.

1, 3, 7, 21, 1259, 3777, 8813

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 26421 and 26439. The biggest common factor number is the GCF number.
So the greatest common factor 26421 and 26439 is 3.

Also check out the Least Common Multiple of 26421 and 26439